From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Fri, 10 Apr 2009 22:21:24 +0000 (-0700)
Subject: x86: add linux kernel support for YMM state
X-Git-Tag: v2.6.30-rc2~74^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a30469e7921a6dd2067e9e836d7787cfa0105627;p=pandora-kernel.git

x86: add linux kernel support for YMM state

Impact: save/restore Intel-AVX state properly between tasks

Intel Advanced Vector Extensions (AVX) introduce 256-bit vector processing
capability. More about AVX at http://software.intel.com/sites/avx

Add OS support for YMM state management using xsave/xrstor infrastructure
to support AVX.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
LKML-Reference: <1239402084.27006.8057.camel@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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